the mass of a helium atom
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4.002602 u +_ 0.000002 u is the mass
anoushka99:
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mass of 1 mole of helium = 4 g
mass of 6.022×10²³ atoms = 4 g
mass of 1 helium atom = 4/6.022 × 10^-23 g
= 0.6642 ×10^-23
= 6.642 × 10^-24 g
mass of 6.022×10²³ atoms = 4 g
mass of 1 helium atom = 4/6.022 × 10^-23 g
= 0.6642 ×10^-23
= 6.642 × 10^-24 g
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